Senior Software / ML Engineer | Java + AI/LLM | Quantitative Finance📍 Warsaw Metropolitan Area | HybridI’m working with a global financial institution that is looking for a Senior Software / ML Engineer to join a team building production-grade AI/ML solutions within quantitative investment.This is a strong engineering role — ideal for someone who enjoys writing high-quality Java, building scalable systems, and applying modern AI/ML technologies to real-world problems.What you’ll be working onBuilding production-grade AI/ML systems rather than just prototypesDeveloping scalable, reliable and highly testable Java services and librariesWorking with LLMs / Generative AI and modern ML technologiesBuilding ML and data infrastructure for large-scale applicationsDesigning reusable frameworks, libraries and engineering platformsSolving complex technical problems across multiple engineering teamsApplying software engineering and AI/ML to quantitative investment workflowsWorking with data and investment strategies across equities, fixed income and multi-assetThe ideal profile combines:Strong Java + LLM / GenAIorStrong Java + Big DataThe Java experience is critical — this is a software engineering role first, with AI/ML and quantitative applications layered on top.You should have:5+ years of professional software engineering / ML experienceStrong, hands-on Java developmentExcellent software engineering fundamentalsExperience building production-scale, distributed or data-intensive systemsStrong experience with LLMs / Generative AI OR Big Data / distributed data processingExperience designing maintainable, scalable and testable systemsMSc/PhD or equivalent industry experienceContractContract secured until 31 March 2027, with an intention to extend for up to 4 years in total.Start: Immediate preferred / maximum 1 month noticeLocation: Warsaw Metropolitan Area – HybridIf you're a strong Java engineer who has moved into LLM/GenAI or Big Data, this could be a very interesting opportunity.DM me for more details or send me your CV.

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